# KSB FlowManager vs IRMA IOT

KSB FlowManager and IRMA IOT are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | KSB FlowManager | IRMA IOT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 260 MB | 41 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KSB SE & Co. KGaA](https://appshunter.io/developer/533763415) | [Oxytronic](https://appshunter.io/developer/1115580217) |

## What reviewers say

### KSB FlowManager

[App page](https://appshunter.io/ios/app/ksb-flowmanager/id1251906586)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### IRMA IOT

[App page](https://appshunter.io/ios/app/irma-iot/id1575333595)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KSB FlowManager free?

KSB FlowManager is free to download, with no in-app purchases.

### Is IRMA IOT free?

IRMA IOT is free to download, with no in-app purchases.

### Do KSB FlowManager or IRMA IOT have ads?

Neither KSB FlowManager nor IRMA IOT shows ads.

### Which is updated more often, KSB FlowManager or IRMA IOT?

KSB FlowManager ships an update every 6 weeks, and IRMA IOT every 6 weeks. Most recently, KSB FlowManager was updated on October 5, 2026 and IRMA IOT on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*